I'm in the process of building a K1, I'll be sure to check the key jack carefully. I guess it would be best to wire the straight key, which is all I use for now, to a stereo plug anyway.
73 de Joseph Durnal NE3R On Thu, Feb 14, 2008 at 11:22 AM, crstrode <[EMAIL PROTECTED]> wrote: > > MGFoster Wrote: > I turned on the K1 & tested to see if the problem still existed - it > did. Turned off the K1 & unplugged, & exposed the bottom of the RF > board. Powered up & inserted a bent component lead into the Dits & > Ground - OK. The same on the Dash & Ground - OK! Plugged the paddles > back in & it worked OK. > > OK, so what happened there? > > ////////////////////////////// > > This is very similar to my experience building K1 #2476 last month. First > try with the paddle resulted in strange behavior - can't recall the exact > details, but very similar to your experience. After I unplugged and > re-plugged a time or two all was well. > > I also vaguely recall a similar phenomenon when K2# 3777 was built. > > It almost seems like a micro-controller initial startup hiccup. > > > I'm guessing the notoriously spooky key jack may have had some debris, poor > mechanical alignment, stiff contacts, etc. > > I was particularly careful when soldering the key jack to the board - just > enough heat to flow, but not melt the flimsy plastic housing. I've > experienced more than one failure of these (both K1 and K2 key and headphone > ) jacks so I always keep a spare on-hand. Both rigs are woking A-OK (at the > moment) but I do try to limit the in-out cycles as much as possible to delay > the inevitable jack failure. > > Carl > WA7CS > > > > > -- > View this message in context: > http://www.nabble.com/K1%3A--Inp-Menu-Item-Pdn-Only-Allows-Dits-tp15468892p15481259.html > Sent from the Elecraft mailing list archive at Nabble.com. > > > _______________________________________________ > Elecraft mailing list > Post to: Elecraft@mailman.qth.net > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com > _______________________________________________ Elecraft mailing list Post to: Elecraft@mailman.qth.net You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
